Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 Ka1 draw
3 Ka3 draw
4 Kab1 draw
5 Kab2 draw
6 Kab3 draw
7 Kc1 draw
8 Kcb1 draw
9 Kcb2 draw
10 Kcb3 draw
11 Kd1 draw
12 Kd2 draw
13 Rb8 draw
14 Rc8 draw
15 Rg1 draw
16 Rg2 draw
17 Rg3 draw
18 Rg7 draw
19 Rh8 draw
20 Kc3 loss in 2 half-moves
21 Kd3 loss in 2 half-moves
22 Rd8 loss in 2 half-moves
23 Re8 loss in 2 half-moves
24 Rf8 loss in 2 half-moves
25 Rg4 loss in 2 half-moves
26 Rg5 loss in 2 half-moves
27 Rg6 loss in 2 half-moves